added arborist.js file & support for npm auth token for arborist lib to scan private deps

cmd/ecosystems/npm.go

@@ -49,7 +49,7 @@ func NewNpmCommand() *cobra.Command {
 				return fmt.Errorf("npm not found: %w", err)
 			}
 
-			return utils.ExecCmd(npmPath, args)
+			return utils.ExecCmd(npmPath, args, []string{})
 		},
 	}
 	return cmd
@@ -71,7 +71,11 @@ func wrapNpm() error {
 		Interpreter:   "node",
 		ScriptType:    "js",
 		Args:          []string{},
+		Env: map[string]string{
+			"NPM_AUTH_TOKEN": utils.NpmAuthToken(),
+		},
 	})
+
 	if err != nil {
 		return fmt.Errorf("failed to extract package info: %w", err)
 	}
@@ -154,7 +158,7 @@ func wrapNpm() error {
 
 	// Install the package and return
 	cmdArgs := []string{action, packageName}
-	if err = utils.ExecCmd(npmPath, cmdArgs); err != nil {
+	if err = utils.ExecCmd(npmPath, cmdArgs, []string{}); err != nil {
 		return fmt.Errorf("failed to execute npm command: %w", err)
 	}
 

cmd/ecosystems/tree/arborist-bundle.js

@@ -69306,11 +69306,11 @@ var require_lib43 = __commonJS({
 // arborist.js
 var Arborist = require_lib43();
 var fs = require("fs");
-async function getDependencyTree(packageName) {
+async function getDependencyTree(packageName, authToken2) {
   const arb = new Arborist({
     registry: "https://registry.npmjs.org",
-    token: "",
-    authToken: ""
+    token: authToken2,
+    authToken: authToken2
   });
   try {
     const idealTree = await arb.buildIdealTree({
@@ -69337,6 +69337,7 @@ function writeToFile(packages, filename) {
 }
 var packageArg = process.argv[2];
 var outputFile = process.argv[3];
+var authToken = process.env.NPM_AUTH_TOKEN;
 if (!packageArg) {
   console.error("Please provide a package name as an argument");
   process.exit(1);
@@ -69345,7 +69346,12 @@ if (!outputFile) {
   console.error("Please provide an output filename as the second argument");
   process.exit(1);
 }
-getDependencyTree(packageArg).then((packages) => {
+if (!authToken) {
+  console.warn(
+    "NPM token not found. Some private or scoped dependencies may not be included in the scan."
+  );
+}
+getDependencyTree(packageArg, authToken).then((packages) => {
   writeToFile(packages, outputFile);
 }).catch((err) => {
   console.error("Error:", err);

internal/tree/arborist.js

@@ -0,0 +1,67 @@
+const Arborist = require("@npmcli/arborist");
+const fs = require("fs");
+
+async function getDependencyTree(packageName, authToken) {
+  const arb = new Arborist({
+    registry: "https://registry.npmjs.org",
+    token: authToken,
+    authToken: authToken,
+  });
+  try {
+    const idealTree = await arb.buildIdealTree({
+      add: [packageName],
+    });
+    const packageNames = [];
+    idealTree.children.forEach((node) => {
+      packageNames.push(`${node.name}@${node.version}`);
+    });
+    return packageNames;
+  } catch (error) {
+    console.error(`Failed to fetch dependency tree for ${packageName}:`, error);
+    return [];
+  }
+}
+
+/**
+ * Write dependency list to a file
+ * @param {string[]} packages - List of package dependencies
+ * @param {string} filename - Output filename
+ */
+function writeToFile(packages, filename) {
+  try {
+    fs.writeFileSync(filename, packages.join("\n"), "utf8");
+    console.log(`Dependencies written to ${filename}`);
+  } catch (error) {
+    console.error(`Failed to write to file ${filename}:`, error);
+    process.exit(1);
+  }
+}
+
+const packageArg = process.argv[2];
+const outputFile = process.argv[3];
+const authToken = process.env.NPM_AUTH_TOKEN;
+
+if (!packageArg) {
+  console.error("Please provide a package name as an argument");
+  process.exit(1);
+}
+
+if (!outputFile) {
+  console.error("Please provide an output filename as the second argument");
+  process.exit(1);
+}
+
+if (!authToken) {
+  console.warn(
+    "NPM token not found. Some private or scoped dependencies may not be included in the scan.",
+  );
+}
+
+getDependencyTree(packageArg, authToken)
+  .then((packages) => {
+    writeToFile(packages, outputFile);
+  })
+  .catch((err) => {
+    console.error("Error:", err);
+    process.exit(1);
+  });

pkg/common/extractor.go

@@ -11,11 +11,12 @@ import (
 
 // ExtractorOptions holds configuration for running an extractor script
 type ExtractorOptions struct {
-	ScriptContent string   // The script content
-	ScriptType    string   // File extension like "js", "py", etc.
-	Interpreter   string   // What interpreter to use (e.g., "node", "python")
-	PackageName   string   // Name of the package to analyze
-	Args          []string // Additional arguments to pass to the script
+	ScriptContent string            // The script content
+	ScriptType    string            // File extension like "js", "py", etc.
+	Interpreter   string            // What interpreter to use (e.g., "node", "python")
+	PackageName   string            // Name of the package to analyze
+	Args          []string          // Additional arguments to pass to the script
+	Env           map[string]string // Environment variables to pass to the script
 }
 
 // RunExtractor extracts an embedded script to a temp file and executes it
@@ -50,7 +51,11 @@ func RunPkgExtractor(opts ExtractorOptions) (string, error) {
 
 	// Build the command with all arguments
 	cmdArgs := append([]string{scriptFile.Name(), opts.PackageName, outputFile}, opts.Args...)
-	if err = utils.ExecCmd(interpreterPath, cmdArgs); err != nil {
+	var env []string
+	for key, value := range opts.Env {
+		env = append(env, fmt.Sprintf("%s=%s", key, value))
+	}
+	if err = utils.ExecCmd(interpreterPath, cmdArgs, env); err != nil {
 		return "", err
 	}
 

pkg/common/utils/command.go

@@ -3,11 +3,13 @@ package utils
 import (
 	"bytes"
 	"fmt"
+	"os"
 	"os/exec"
 )
 
-func ExecCmd(name string, args []string) error {
+func ExecCmd(name string, args, env []string) error {
 	cmd := exec.Command(name, args...)
+	cmd.Env = append(os.Environ(), env...)
 
 	var stdout, stderr bytes.Buffer
 	cmd.Stdout = &stdout

pkg/common/utils/config.go

@@ -9,3 +9,7 @@ func ApiKey() string {
 func TenantDomain() string {
 	return os.Getenv("SAFEDEP_TENANT_ID")
 }
+
+func NpmAuthToken() string {
+	return os.Getenv("NPM_AUTH_TOKEN")
+}